linux-kernel - [PATCH RESENT] xen: do not disable netfront in dom0

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Message-Id: <20120522204742.29E8A626@duch.mimuw.edu.pl>
Date:	Sun, 20 May 2012 13:45:10 +0200
From:	Marek Marczykowski <marmarek@...isiblethingslab.com>
To:	David Miller <davem@...emloft.net>
Cc:	Marek Marczykowski <marmarek@...isiblethingslab.com>,
	Ian.Campbell@...rix.com, xen-devel@...ts.xen.org,
	virtualization@...ts.linux-foundation.org,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Jeremy Fitzhardinge <jeremy@...p.org>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH RESENT] xen: do not disable netfront in dom0

Netfront driver can be also useful in dom0, eg when all NICs are assigned to
some domU (aka driver domain). Then using netback in domU and netfront in dom0
is the only way to get network access in dom0.

Signed-off-by: Marek Marczykowski <marmarek@...isiblethingslab.com>
Acked-by: Ian Campbell <ian.campbell@...rix.com>
Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
---
 drivers/net/xen-netfront.c |    6 ------
 1 files changed, 0 insertions(+), 6 deletions(-)

diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index 0ebbb19..2027afe 100644
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -1962,9 +1962,6 @@ static int __init netif_init(void)
 	if (!xen_domain())
 		return -ENODEV;
 
-	if (xen_initial_domain())
-		return 0;
-
 	if (xen_hvm_domain() && !xen_platform_pci_unplug)
 		return -ENODEV;
 
@@ -1977,9 +1974,6 @@ module_init(netif_init);
 
 static void __exit netif_exit(void)
 {
-	if (xen_initial_domain())
-		return;
-
 	xenbus_unregister_driver(&netfront_driver);
 }
 module_exit(netif_exit);
-- 
1.7.4.4

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